GMC Sierra Classic problems, recalls & best years
The deets on every Sierra Classic from 2003 to 2007: 20 owner complaints and 0 recalls across 3 model years.
The model years with the most owner complaints are 2007 (18), 2003 (1), 2004 (1). Best fuel economy: 17 mpg combined (2007).
Problem areas across all years
Year by year
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the GMC Sierra Classic.
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FAQ
What is the worst year for the GMC Sierra Classic?
The model years with the most owner complaints are 2007 (18), 2003 (1), 2004 (1).
How many recalls has the GMC Sierra Classic had?
Across 2003–2007, NHTSA lists 0 vehicle recall campaigns by model year (a campaign that covers several years counts once per year).